6 Pole / 1152 RPM, 60Hz

Approved by Underwriters Laboratories specification number UL 674 Class I, Groups C & D, Class II, Groups E, F and G.   U.L. File Reference E 74479. 

These vibrators are lower frequency to specifically handle bulk materials in applications such as screen conveyors, vibratory pan feeders, spiral elevators and resonant vibrating chutes.